868884911 has 8 divisors (see below), whose sum is σ = 895230144. Its totient is φ = 842867200.

The previous prime is 868884901. The next prime is 868884923. The reversal of 868884911 is 119488868.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868884911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868884901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76490 + ... + 87111.

It is an arithmetic number, because the mean of its divisors is an integer number (111903768).

Almost surely, 2^868884911 is an apocalyptic number.

868884911 is a deficient number, since it is larger than the sum of its proper divisors (26345233).

868884911 is a wasteful number, since it uses less digits than its factorization.

868884911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163761.

The product of its digits is 884736, while the sum is 53.

The square root of 868884911 is about 29476.8538178687. The cubic root of 868884911 is about 954.2322387571.

The spelling of 868884911 in words is "eight hundred sixty-eight million, eight hundred eighty-four thousand, nine hundred eleven".